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方钢管混凝土柱—钢梁角钢连接节点抗震性能分析.docx

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方钢管混凝土柱—钢梁角钢连接节点抗震性能分析 Title:SeismicPerformanceAnalysisofSteelPipeConcreteColumn-SteelBeamAngleSteelConnectionNode Abstract: Theseismicperformanceofconnectionsbetweensteelpipeconcretecolumnsandsteelbeamsusinganglesteelprovidescrucialinformationforthedesignandconstructionofresilientstructures.Thispaperaimstoanalyzetheseismicbehaviorofsuchconnectionsanddiscussthefactorsinfluencingtheirperformance.Thestudyincludesacomprehensivereviewofrelevantliterature,atheoreticalanalysisoftheconnectionbehavior,andadiscussiononpracticalapplications.Theresultswillprovideinsightsintoenhancingtheseismicresilienceofstructuresusingthisconnectiontype. 1.Introduction: Steelpipeconcretecolumns,alsoknownascompositecolumns,possesssuperiorload-bearingcapacity,structuralefficiency,andfireresistancecomparedtoconventionalreinforcedconcretecolumns.Theconnectiondesignbetweenthesecolumnsandsteelbeamsiscriticaltoensuretheoverallstructuralperformance,especiallyunderseismicloading.Inthispaper,focuswillbegiventotheconnectionusinganglesteel,whichiscommonlyusedduetoitsadvantagesinfabrication,installation,andloadtransfer. 2.LiteratureReview: Thissectionprovidesathoroughreviewofexistingresearchontheseismicperformanceofsteelpipeconcretecolumn-steelbeamanglesteelconnections.Variousstudieshavebeenconductedtoinvestigatethebehaviorandfailuremodesoftheseconnectionsunderdifferentloadingconditions.Theliteraturereviewaimstoidentifytheknowledgegapsinthecurrentunderstandingandhighlightthepotentialareasforfurtherresearch. 3.TheoreticalAnalysis: Atheoreticalanalysisoftheseismicperformanceofthesteelpipeconcretecolumn-steelbeamanglesteelconnectionispresentedinthissection.Theanalysisincludestheloadtransfermechanism,failuremodes,andinfluencingfactors.Theeffectofkeyparameters,suchasboltdiameter,anglesteelthickness,andcolumn-beaminterfacecondition,ontheconnection'sseismicbehaviorisdiscussed.Analyticalmodels,suchasfiniteelementanalysis(FEA)orsimplifiedanalyticalmethods,maybeemployedtoquantifytheconnection'sresponse. 4.Experimen